{
  "url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.3/division-3",
  "json_url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.3/division-3.json",
  "legislation": "eudn/2017/1442",
  "legislation_title": "Commission Implementing Decision (EU) 2017/1442 of 31 July 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for large combustion plants (notified under document C(2017) 5225) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-1442",
  "path": "annex/division/4/division/4.3/division/3",
  "kind": "division",
  "number": "BAT 54",
  "heading": "In order to prevent or reduce CO emissions to air from the combustion of gaseous and/or liquid fuels in gas turbines on offshore platforms, BAT is to use one or a combination of the techniques given below.",
  "text": "Technique\nDescription\nApplicability\na.\nCombustion optimisation\nSee descriptions in Section 8.3\nGenerally applicable\nb.\nOxidation catalysts\nNot applicable to combustion plants operated < 500 h/yr.\nRetrofitting existing combustion plants may be constrained by the availability of sufficient space and by weight restrictions\nTable 32\nBAT-associated emission levels (BAT-AELs) for NOX emissions to air from the combustion of gaseous fuels in open-cycle gas turbines on offshore platforms\nThese BAT-AELs are based on > 70 % of baseload power available on the day.\nThis includes single fuel and dual fuel gas turbines.\nThe higher end of the BAT-AEL range is 250 mg/Nm3 if DLN burners are not applicable.\nThe lower end of the BAT-AEL range can be achieved with DLN burners.\nType of combustion plant\nBAT-AELs (mg/Nm3)\nAverage over the sampling period\nNew gas turbine combusting gaseous fuels\n15–50\nExisting gas turbine combusting gaseous fuels\n< 50–350\nAs an indication, the average CO emission levels over the sampling period will generally be:\n< 100 mg/Nm3 for existing gas turbines combusting gaseous fuels on offshore platforms operated ≥ 1 500 h/yr,\n< 75 mg/Nm3 for new gas turbines combusting gaseous fuels on offshore platforms.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "These BAT-AELs are based on > 70 % of baseload power available on the day."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "This includes single fuel and dual fuel gas turbines."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The higher end of the BAT-AEL range is 250 mg/Nm3 if DLN burners are not applicable."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "The lower end of the BAT-AEL range can be achieved with DLN burners."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/1442/annex/division/4/division/4.3/division/3",
    "retrieved_at": "2026-11-01T15:13:23.628050+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}